package com.lc.big_event.mapper;

import com.lc.big_event.pojo.Article;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * @author liuchun
 */
@Mapper
public interface ArticleMapper {
    /**
     * 新增文章
     * @param article
     */
    @Insert("insert into article (title, content, cover_img, category_id, create_user, create_time, update_time) VALUES " +
            "(#{title},#{content},#{coverImg},#{categoryId},#{createUser},#{createTime},#{updateTime})")
    void add(Article article);

    /**
     * 条件分页查询文章列表
     * @param userId
     * @param categoryId
     * @param state
     * @return
     */
    List<Article> list(Integer userId, Integer categoryId, String state);

    /**
     * 获取文章详情
     * @param id
     * @return
     */
    @Select("select * from article where id = #{id}")
    Article findArticleById(Integer id);

    /**
     * 更新文章
     * @param article
     */
    @Update("update article set title = #{title},content = #{content},cover_img = #{coverImg},state = #{state},category_id = #{categoryId} where id = #{id}")
    void update(Article article);

    /**
     * 删除文章
     * @param id
     */
    @Delete("delete from article where id = #{id}")
    void deleteById(Integer id);
}